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The laryngopharynx, (Latin: pars laryngea pharyngis), also known as hypopharynx, is the caudal part of the pharynx; it is the part of the throat that connects to the esophagus. It lies inferior to the epiglottis and extends to the location where this common pathway diverges into the respiratory ( laryngeal ) and digestive ( esophageal ) pathways.
Ethmoid sinus cavities which are located between the eyes. Frontal sinus cavities which can be found above the eyes (more in the forehead region). Maxillary sinus cavities are located on either side of the nostrils (cheekbone areas). Sphenoid sinuses that are located behind the eyes and lie in the deeper recesses of the skull.
The frontal sinuses are located in the frontal bone; the sphenoidal sinuses in the sphenoid bone; the maxillary sinuses in the maxilla; and the ethmoidal sinuses in the ethmoid bone. [2] [13] A narrow opening called a sinus ostium from each of the paranasal sinuses allows drainage into the nasal cavity. The maxillary sinus is the largest of the ...
On average, a sphenoid sinus measures 2.2 cm vertical height, 2 cm in transverse breadth; and 2.2 cm antero-posterior depth. [3] Each spehoid sinus is in the body of sphenoid bone, just under the sella turcica. The sphenoid sinuses are separated from each other medially by the septum of sphenoidal sinuses, which is usually asymmetrical.
Adult and pediatric airway anatomy The respiratory tract can also be divided into a conducting zone and a respiratory zone , based on the distinction of transporting gases or exchanging them. The conducting zone includes structures outside of the lungs – the nose , pharynx , larynx , and trachea , and structures inside the lungs – the ...
Tonsillitis is an inflammation of the tonsils and may cause a sore throat and fever. In chronic cases tonsillectomy may be required. Infected teeth can on rare occasions cause infection to spread leading to cavernous sinus thrombosis , mediastinitis , or Ludwig's angina causing airway blockage.
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This image is a derivative work of the following images: File:Paranasal_sinuses.svg licensed with Cc-by-2.5 . 2009-08-07T11:45:10Z M.Komorniczak 419x233 (605130 Bytes) Poprawa zatoki szczękowej